Home / 955,135-1,317,999.90-525,433.24

Finding the Fourth Proportional to 955,135, 1,317,999.90 and 525,433.24

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Solution

The fourth proportional to 955,135, 1,317,999.90 and 525,433.24 is: 725,050.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,135 : 1,317,999.90 = 525,433.24 : x
  2. Step 2: Convert to fraction form
    955,135/1,317,999.90 = 525,433.24/x
  3. Step 3: Cross multiply
    955,135x = 1,317,999.90 × 525,433.24
  4. Step 4: Simplify right side
    955,135x = 692,520,957,776.68
  5. Step 5: Solve for x
    x = 692,520,957,776.68/955,135
  6. Step 6: Final answer
    x = 725,050.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.